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OpenStudy (anonymous):
im attaching picture now
OpenStudy (anonymous):
OpenStudy (anonymous):
16-20
Vocaloid (vocaloid):
well, ok, let's start with 16
16: JK
look at the number line and tell me how many spaces are between J and K?
OpenStudy (anonymous):
3
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Vocaloid (vocaloid):
right, so our answer is 3
OpenStudy (anonymous):
next one is 5?
Vocaloid (vocaloid):
not quite
1-(-6) = ?
OpenStudy (anonymous):
lol 7
Vocaloid (vocaloid):
good, next?
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OpenStudy (anonymous):
12?
Vocaloid (vocaloid):
yup, next?
OpenStudy (anonymous):
9?
Vocaloid (vocaloid):
good.
#20 is a bit trickier, allow me a moment to explain
OpenStudy (anonymous):
kk thx
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Vocaloid (vocaloid):
the segment postulate theorem states that, if we have a segment like (using an example here)
AC, with B in the middle, then
AB + BC = AC
OpenStudy (anonymous):
i dont think it would be possible because they dont give us numbers
Vocaloid (vocaloid):
we know that FB = FC + CB, and if we assume that FC > 0, then FB > CB
Vocaloid (vocaloid):
however, I would agree with you, since we don't have numbers, we can't make any assumptions here
OpenStudy (anonymous):
so thats what i should say for explain?correct?
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OpenStudy (anonymous):
THis is what i said...
OpenStudy (anonymous):
we cannot use the segment addition postulate because we are not given exact numbers to work with
Vocaloid (vocaloid):
well, I would say something like, "we can show that FB > CB since FB = CB + FC but we can't make any definitive statment for AC and DB since these segments overlap"
OpenStudy (anonymous):
k should i say something about the exact numbers or could i leave that out
Vocaloid (vocaloid):
sure, if you'd like
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OpenStudy (anonymous):
k i have some more if you dont mind but i'll put it in a different question